1,976 search results for “ecology and evolution” in the Public website
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Merging galaxy clusters: probing magnetism and particle acceleration over cosmic time
In this thesis, I studied the origin and evolution of the non-thermal radiation in merging galaxy clusters.
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Neutral outflows in high-redshift dusty galaxies
Outflows are crucially important for the gas budget and evolution of luminous star-forming galaxies and AGNs, with observed mass outflow rates of the same order as the star formation rate. Greater star formation and black hole growth lead to more intense feedback and outflows, resulting in self-regulated…
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Unveiling protostellar disk formation around low-mass stars
Promotor: Prof.dr. E.F. van Dishoeck, Co-promotor: S. Bruderer
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The evolution of Chinese industrial CO2 emissions 2000–2050: A review and meta-analysis of historical drivers, projections and policy goals
The emissions of the Chinese industrial sector alone comprise 24.1% of global emissions (7.8 GtCyr−1 in 2015). This makes Chinese industrial emissions of unique national and international relevance in climate policy. This study reports a literature survey that quantitatively describes the evolution…
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Laura Llorente Rodriguez
Faculteit Archeologie
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Martha Dellar
Science
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DEEPSEA SOUND: pioneer explorations into biological relevance and anthropogenic disturbance
Are there acoustic cues for settlement stage larvae in deep-sea soundscapes around hydrothermal vents?
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Footprint family: Concepts, classification, integration, and benchmarking against planetary boundaries
How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…
- Prof Dr Niklas Janz
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Athanasios Moraitis
Science
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Yali Si
Science
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Anthropogenic effects on links between macro-invertebrate diversity and ecosystem functioning
How are links between macro-invertebrate diversity and ecosystem functioning influenced by anthropogenic pressures?
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South American population history revisited: multidisciplinary perspectives on the Upper Amazon
This project, South American population history revisited: multidisciplinary perspectives on the Upper Amazon (SAPPHIRE), investigates population dynamics in western South America on the basis of traces in the geographical, genetic, archaeological, ethnological, and linguistic record.
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IBL-research interview: Daniel Rozen
Daniel Rozen (45), at the IBL since September 2012, uses bacteria in laboratory tests on experimental evolution to study the ecology and genetics of adaptation. His research has applied importance, as it reveals how bacteria may be induced to produce new antibiotics. Last January, Rozen received the…
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High-contrast imaging polarimetry of exoplanets and circumstellar disks
Understanding the formation and evolution of planetary systems is one of the most fundamental challenges in astronomy. To directly image and study young exoplanets and the circumstellar disks they form from, dedicated high-contrast imaging instruments are built.
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Extremely loud & incredibly far: observing radio bright AGN into the cosmic dawn
In this thesis new methodologies are developed for the detection and systematic study of radio sources in the early universe. This allows us to gain a deeper understanding of the formation and evolution of galaxies, the activity of supermassive black holes, and the final phase transition of our universe:…
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Impact of land use changes on the human-elephant conflict
Promotor: G.R. de Snoo, W. Kustiawan, Co-promotor: H.H. de Iongh
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Sociaal gedrag als onderdeel van coping styles in zebravis
Zijn sociale aspecten van anxiety-like gedrag bij zeer jonge zebravissen al aanwezig? Zijn deze afhankelijk van de coping style (persoonlijkheid) van het individu? Zijn deze gedragingen endocrien te moduleren, bv door oxytocine?
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From Star-formation to Recombination: Expanding our View of the Radio-Recombination-Line Universe
The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).
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HURP: Helsinki Urban Rat Project
How humans and rats cohabit the cityscape and what consequences this has for both sides of the conflict?
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Population size fails to explain the evolution of complex culture
The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.
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Mysteries in snake venom evolution
A new analysis of the king cobra genome by Michael Richardson, Christian Henkel (IBL) and collaborators at the IBL and Naturalis, Helsinki and Singapore has been published in
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Hans Slabbekoorn receives NWA grant to study fish around wind farms in the North Sea
The Dutch Research Council (NWO) awarded behavioural biologist Hans Slabbekoorn (Institute of Biology Leiden) a grant of 750,000 euros to study fish and sounds around wind farms in the North Sea.
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van der Voet Honored with International Society Award in Industrial Ecology
Ester van der Voet received the International Society Award in Industrial Ecology. She is awarded this price for her outstanding contributions and leadership in the field of industrial ecology, and her tireless efforts to promote sustainability and resource management. The ceremony took place on the…
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Clock disruption in diurnal versus nocturnal migrating fish
Does Artifical Light at Night (ALAN) disrupt seasonal physiological and behavioral patterns in migrating freshwater fish?
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Karline Janmaat
Faculteit der Sociale Wetenschappen
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Jesse Ouwehand
Science
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Essentiality of conserved amino acid residues in β-lactamase
Evolution acts via mutations in amino acid sequences. Substitution of essential amino acids leads to a nonfunctional protein. l.
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The Early Upper Palaeolithic of the Middle Danube Region
The Early Upper Palaeolithic (EUP) record throughout Europe is characterized by major changes in human behaviour.
- Prof Dr Ruth Hufbauer
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Ecology and genomics of Actinobacteria and their specialised metabolism
PhD defence
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Tessa Verhoef
Science
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Leiden University and Naturalis join forces to launch new ‘Evolution Today’ MOOC
Evolution is all around you every day. This is the message of the new Massive Open Online Course (MOOC) of Leiden University and Naturalis that begins on September 19.
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Ecology of the Ethiopian wolf (Canis simensis Rüppell 1835) in a changing landscape: Human carnivore interactions in Afroalpine ecosystems of
Ethiopian wolves are endangered diurnal Afroalpine rodent hunters. I investigated the interaction between wolves, rodents and human land use in Borena Sayint National Park (BSNP), Abune Yosef and Aboi Gara in Ethiopia.
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Bregje Brinkmann
Science
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Sophie Planchenault
Science
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Joeri Morpurgo
Science
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Amanda Henry
Faculteit Archeologie
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Segments and rules: a comparative study on linguistic rule learning mechanisms
A central and much debated topic in the study of language acquisition concerns the nature of the learning mechanisms that are required. Are the computational and learning mechanisms that guide learning about language structure special and specific to language or humans?
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Leiden archaeologists mentioned in Top 13 Discoveries in Human Evolution during 2023
In a recent article published on PLOS, Drs. Briana Pobiner and Ryan McRae of the Smithsonian Institution National Museum of Natural History discuss the top 13 discoveries in human evolution in 2023.
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A Human Environment
This volume is themed around the interdependent relationship between humans and the environment, an important topic in the work of Corrie Bakels
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Anagnostis Theodoropoulos
Science
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Barbara Gravendeel
Science
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Ben Wielstra
Science
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Katerina Johnson
Faculteit der Sociale Wetenschappen
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SATURN: Developing Solutions for Underwater Radiated Noise – Sound impact on migratory fishes
Do natural soundscapes affect migratory decisions of fishes moving up and down rivers and is this process disturbed by vessel sounds?
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Perception of multidimensional speech sounds in humans and songbirds
Do humans and zebra finches share cognitive mechanisms that are important for speech perception?
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Plant ageing, rejuvenation and life history strategy
What are key regulators of plant ageing that can reverse ageing in plants (rejuvenation), and how can we use this knowledge to improve crop plants?
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Cheating belowground interactions
Mycoheterotrophy is a particular mode of life in which plants obtain carbohydrates from their associated fungal partners, instead of by using photosynthesis.
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Peeking into the future: Fungi in the greening Arctic
Promotor: E.F. Smets, Co-promotor: J. Geml